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High Gravity Blending

High Gravity Blending

High Gravity Blending (HGB) is an innovative process that allows producing different beers (brands) from one or few “mother beers”. Brewery productivity is thereby maximized for a comparatively small brew house capacity and a low number of fermentation tanks.

For High Gravity Blending wort with high extract content is produced. During fermentation this leads to a beer with higher original gravity and alcohol content. Later in the brewing process the high gravity beer is blended with deaerated water to reach the desired final original gravity and/or alcohol content. If this is done directly in front of the BBTs or even directly in front of the filler, brewery flexibility is increased significantly.

The flows and the content of original gravity and alcohol are permanently monitored and adjusted by high precision ratio controllers. Optionally, the Blender can be equipped with a Vortex-Venturi injector for combined supply of CO2 into the product.

Systems combining HGB and carbonation in one step are offered by Centec as compact CarboBlender skids.

  • Typical Technical Data
  • 53 - 53,000 gal/h (2 - 2,000 hl/h)
  • 7 - 20 °P
  • ± 0.05 °P
  • 0 - 10 Vol. %
  • ± 0.03 Vol. %
  • 1.4301/AISI 304; 1.4404/AISI 316L; etc.
  • in-line measurement (e. g. O2, CO2, Brix, extract, alcohol)
    water deaeration
    carbonation/nitrogenation
    pasteurization
    buffer tank
    cooling
  • highlights
  • High precision in-line sensor technology for process control
  • Integrated carbonation on demand (CarboBlender)
  • Customized design; different automation levels